<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="产品名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入产品名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="价格" prop="price">
        <el-input
          v-model="queryParams.price"
          placeholder="请输入价格"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>

      <el-form-item label="产品分类" prop="category">
        <el-select v-model="queryParams.category" placeholder="请选择产品分类" clearable>
          <el-option
            v-for="dict in dict.type.commodity_classification"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>

      <el-form-item label="产品状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择产品状态" clearable>
          <el-option
            v-for="dict in dict.type.product_status"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>

      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['product:product:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['product:product:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['product:product:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['product:product:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="productList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
<!--      <el-table-column label="产品ID" align="center" prop="productId" />-->
      <el-table-column label="产品名称" align="center" prop="name" />
      <el-table-column label="价格" align="center" prop="price" />
      <el-table-column label="库存数量" align="center" prop="quantity" />
      <el-table-column label="产品描述" align="center" prop="description" />
<!--      <el-table-column label="分类" align="center" prop="category" />-->
      <el-table-column label="分类" align="center" prop="category">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.commodity_classification" :value="scope.row.category"/>
        </template>
      </el-table-column>
      <el-table-column label="产品状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.product_status" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column label="图片" align="center" prop="picture" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.picture" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['product:product:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleStockIn(scope.row)"
          >进货</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['product:product:edit']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改商品管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="产品名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入产品名称" />
        </el-form-item>
        <el-form-item label="价格" prop="price">
          <el-input v-model="form.price" placeholder="请输入价格" />
        </el-form-item>
<!--        <el-form-item label="库存数量" prop="quantity">-->
<!--          <el-input v-model="form.quantity" placeholder="请输入库存数量" />-->
<!--        </el-form-item>-->

        <el-form-item label="产品分类" prop="category">
          <el-select  v-model="form.category">
            <el-option
              v-for="dict in dict.type.commodity_classification"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select >
        </el-form-item>

        <el-form-item label="产品描述" prop="description">
          <el-input v-model="form.description" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="产品状态" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio
              v-for="dict in dict.type.product_status"
              :key="dict.value"
              :label="dict.value"
            >{{dict.label}}</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="图片" prop="picture">
          <image-upload v-model="form.picture"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <el-dialog :title="'进货 - ' + currentProduct.name" :visible.sync="stockInOpen" width="300px">
      <el-form ref="stockInForm">
        <el-form-item label="进货数量">
          <el-input-number v-model="stockInQuantity" :min="1" controls-position="right"></el-input-number>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
    <el-button @click="stockInOpen = false">取消</el-button>
    <el-button type="primary" @click="submitStockIn">确定</el-button>
  </span>
    </el-dialog>

  </div>
</template>

<script>
import {listProduct, getProduct, delProduct, addProduct, updateProduct, stockInProduct} from "@/api/product/product";

export default {
  name: "Product",
  dicts: ['product_status', 'commodity_classification'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 商品管理表格数据
      productList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        price: null,
        quantity: null,
        description: null,
        status: null,
        picture: null
      },
      stockInOpen: false,
      stockInQuantity: 1,
      currentProduct: { name: '' },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          { required: true, message: "产品名称不能为空", trigger: "blur" }
        ],
        price: [
          { required: true, message: "价格不能为空", trigger: "blur" }
        ],
        quantity: [
          { required: true, message: "库存数量不能为空", trigger: "blur" }
        ],
        status: [
          { required: true, message: "产品状态不能为空", trigger: "change" }
        ],
        category: [
          { required: true, message: "产品分类不能为空", trigger: "change" }
        ],
        createTime: [
          { required: true, message: "创建时间不能为空", trigger: "blur" }
        ],
        updateTime: [
          { required: true, message: "更新时间不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 进货 */
    handleStockIn(row) {
      this.currentProduct = row;
      this.stockInOpen = true;
    },

    /** 查询商品管理列表 */
    getList() {
      this.loading = true;
      listProduct(this.queryParams).then(response => {
        this.productList = response.rows;
        this.total = response.total;
        this.loading = false;
        this.checkStock();
      });
    },
    checkStock() {
      let lowStockProducts = this.productList.filter(product => product.quantity < 10);
      if (lowStockProducts.length > 0) {
        let message = lowStockProducts.map(product => `${product.name} (剩余库存: ${product.quantity})`).join('<br/>');
        this.showLowStockAlert(message);
      }
    },

    /** 显示库存不足警告 */
    showLowStockAlert(message) {
      this.$alert(message, '库存警告', {
        confirmButtonText: '确定',
        type: 'warning',
        dangerouslyUseHTMLString: true // 允许 HTML 格式的字符串
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        productId: null,
        name: null,
        price: null,
        quantity: null,
        description: null,
        status: null,
        createTime: null,
        updateTime: null,
        picture: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.productId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加商品管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const productId = row.productId || this.ids
      getProduct(productId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改商品管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.productId != null) {
            updateProduct(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addProduct(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const productIds = row.productId || this.ids;
      this.$modal.confirm('是否确认删除商品管理编号为"' + productIds + '"的数据项？').then(function() {
        return delProduct(productIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('product/product/export', {
        ...this.queryParams
      }, `product_${new Date().getTime()}.xlsx`)
    },

    /** 进货 */
    submitStockIn() {
      stockInProduct({ productId: this.currentProduct.productId, quantity: this.stockInQuantity }).then(() => {
        this.$message.success('提交进货成功');
        this.stockInOpen = false;
        this.getList(); // 刷新列表
      }).catch(error => {
        this.$message.error('进货失败: ' + error);
      });
    },

  }
};
</script>
